2011-05-11_HYDROLOGY - M1977300 (3)

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www.uia®dab=m ANryua(E¢MYaoa?u ?9St 711 a Billings, W 800-735-44#9• Casper, WY 888-235-0518 pid crry, so MB-672-1225 • cdiege station, ix 888-690-2218 QA/QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Project: Schwartz GW 02-09-11 S25579 Report Date: 03/04/11 Work Order: C11020422 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.8 Batch: R143032 Sample ID: LRB 8 Method Blank Run: ICPMS2-C_110223A 02/23/11 13:40 Aluminum ND mg/L 0.20 Antimony ND mg/L 0.0010 Arsenic ND mg/L 0.0010 Copper ND mg/L 0.0010 Lead ND mg/L 0.0050 Manganese ND mg/L 0.0050 Thallium ND mg/L 0.00020 Zinc ND mg/L 0.0050 Sample ID: LFB 8 Laboratory Fortified Blank Run: ICPMS2-C_110223A 02/23/11 13:47 Aluminum 0.0534 mg/L 0.0010 106 85 115 Antimony 0.0542 mg/L 0.0010 108 85 115 Arsenic 0.0540 mg/L 0.0010 108 85 115 Copper 0.0567 mg/L 0.0010 113 85 115 Lead 0.0540 mg/L 0.0010 108 85 115 Manganese 0.0543 mg/L 0.0010 109 85 115 Thallium 0.0538 mg/L 0.0010 108 85 115 Zinc 0.0574 mg/L 0.0010 112 85 115 Sample ID: C11020333-002BMS4 8 Sample Matrix Spike Run: ICPMS2-C_110223A 02/24/11 02:05 Aluminum 0.267 mg/L 0.10 107 70 130 Antimony 0.264 mg/L 0.050 106 70 130 Arsenic 0.240 mg/L 0.0010 96 70 130 Copper 0.250 mg/L 0.010 100 70 130 Lead 0.254 mg/L 0.050 102 70 130 Manganese 0.544 mg/L 0.010 100 70 130 Thallium 0.254 mg/L 0.10 102 70 130 Zinc 0.270 mg/L 0.010 101 70 130 Sample ID: 011020333-002BMSD 8 Sample Matrix Spike Duplicate Run: ICPMS2-C_110223A 02/24/11 02:11 Aluminum 0.246 mg/L 0.10 98 70 130 8.1 20 Antimony 0.267 mg/L 0.050 107 70 130 1.0 20 Arsenic 0.232 mg/L 0.0010 93 70 130 3.1 20 Copper 0.255 mg/L 0.010 102 70 130 1.8 20 Lead 0.256 mg/L 0.050 102 70 130 0.8 20 Manganese 0.532 mg/L 0.010 95 70 130 2.2 20 Thallium 0.257 mg/L 0.10 103 70 130 0.9 20 Zinc 0.268 mg/L 0.010 100 70 130 0.7 20 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected at the reporting limit. Page 10 of 22